# Kraepelin Test: Pauli Focus — Aptitude, Brain & Mental Math > Brain training app for number addition exercises and focus improvement. (iPhone/iPad app by Gunawan Santoso.) - Source: https://appshunter.io/ios/app/kraepelin-test-pauli-focus/id6756816118 (this page in markdown: same URL + `.md`) - Developer: [Gunawan Santoso](https://appshunter.io/developer/1843786072) - Category: Education - Price: Free - Age rating: 4+ - Requires: iOS 15.0 · 46 MB - Languages: American English - Released: 2025-12-22 - Data updated: 2026-08-26 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/kraepelin-test-pauli-focus/id6756816118/reviews.md ## What is Kraepelin Test? Kraepelin Test is the complete Pauli & aptitude test trainer: practice mental math, focus and concentration to get ready for psychometric, job and recruitment assessments. Build the speed, accuracy and endurance that hiring tests measure — a little every day. The Kraepelin Test (also known as the Pauli test or "Koran" test) is a classic speed-arithmetic drill used worldwide in psychological and employment assessments. This app turns that drill into a daily habit, with real-time scoring and clear performance insights. HOW IT WORKS You see columns of single-digit numbers. Add each pair of adjacent digits and tap only the LAST digit of the sum — as fast and accurately as you can before time runs out. Simple to learn, genuinely challenging to master. WHAT IT TRAINS - Speed — mental arithmetic under time pressure - Accuracy — precision on long, repetitive calculations - Consistency — steady focus from start to finish - Endurance — concentration stamina over long drills BUILD A DAILY HABIT - Streaks that reward you for practicing every day - Daily goal ring — set 3, 5 or 10 minutes and watch it fill - Daily Challenge — beat your best score to earn a bonus - Achievements to unlock as you improve - History & Trends — track speed, accuracy, consistency and endurance over time DETAILED RESULTS - Overall score with a Very Bad to Very Good rating - Correct, wrong, accuracy % and speed for every session - Segment-by-segment performance charts - Deeper Insights: your strongest area, the area to improve, and per-metric rings - Export any result to PDF and share it REAL EXAM PRACTICE - Official 11.5-minute and 22.5-minute drills - Quick 1, 2, 5 and 30-minute sessions, or a custom length - Horizontal or vertical question layout - Phone (123) or calculator (789) keypad MORE - Works 100% offline — practice anywhere, no internet needed - Dark mode and accent colors - Sound & vibration feedback - English & Indonesian - No sign-up required — start instantly PERFECT FOR - Job seekers preparing for psychometric and aptitude tests - Students getting ready for company or civil-service entrance exams - Anyone training focus, concentration and mental math - Brain-training fans who love a daily cognitive challenge Remove ads anytime with a one-time Premium upgrade. Download Kraepelin Test and start building sharper focus, faster mental math and stronger concentration today. ## Key features - Classic Kraepelin-style number addition - Adjustable session duration and difficulty - Practice mode without time pressure - Detailed results with accuracy and speed - Progress tracking with charts - Offline functionality - Distraction-free interface ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/kraepelin-test-pauli-focus/id6756816118/reviews.md ### 3/5 — Needs to be fixed! *2026-04-13* When the result of an addition is a two-digit number, the app says I'm wrong immediately after I enter the first digit. ## Frequently asked questions about Kraepelin Test ### What is the Kraepelin Test app? The Kraepelin Test app provides number addition exercises inspired by the classic Kraepelin method. It's designed to help users improve their mental arithmetic skills and concentration through timed or untimed practice sessions. ### How does the Kraepelin Test app work? The app presents columns of single-digit numbers. Users add adjacent numbers and enter only the last digit of the sum, aiming for speed and accuracy before the timer moves to the next column. ### Can I adjust the difficulty in the Kraepelin Test app? Yes, the app features adjustable session duration and difficulty settings, as well as configurable column timing. This allows for flexible practice tailored to individual needs. ### Does the Kraepelin Test app track my progress? Yes, the app offers detailed results including accuracy percentage, speed score, and consistency metrics. It also provides historical performance tracking with progress charts. ### Is the Kraepelin Test app available offline? Yes, the Kraepelin Test app works 100% offline, meaning you can practice your mental math and focus training without an internet connection. ### Does the Kraepelin Test app have ads? No, the Kraepelin Test app is ad-free, providing a distraction-free interface for optimal focus and cognitive training. ### What devices is the Kraepelin Test app compatible with? The Kraepelin Test app is supported on iPhone, iPad, and iPod devices, making it accessible to a wide range of Apple users. ### How often is the Kraepelin Test app updated? The latest version of the Kraepelin Test app is 1.2.3, and it was last updated on June 29, 2026. This indicates regular maintenance and potential feature additions. ## Version history (last 5 releases) ### 1.6.1 — 2026-08-26 What's new in 1.6.1: - Minor improvements and bug fixes ### 1.6.0 — 2026-08-25 What's new in 1.6.0: - Minor improvements and bug fixes ### 1.5.0 — 2026-07-26 What's new in 1.5.0: - Celebrate your milestones: a new moment marking personal bests and long streaks - Refreshed animated artwork and smoother popup transitions - Stability and polish improvements ### 1.4.0 — 2026-07-13 What's new in 1.4.0: - Smoother animations and scrolling performance - More responsive, tactile buttons - Accessibility and visual polish refinements ### 1.2.5 — 2026-07-09 What's new in 1.2.5: - Layout fix so on-screen content displays correctly on the Home and You screens ## More apps by Gunawan Santoso - [Money Manager: Daily Expenses](https://appshunter.io/ios/app/money-manager-daily-expenses/id6753577383) - [Breathe: Calm & Relax](https://appshunter.io/ios/app/breathe-calm-and-relax/id6757665889) - [DayStack: Todo & Pomodoro](https://appshunter.io/ios/app/daystack-todo-and-pomodoro/id6760934238) - [Fasting Track: Timer & Water](https://appshunter.io/ios/app/fasting-track-timer-and-water/id6761097927) - [TimeTrack: Work & Study Timer](https://appshunter.io/ios/app/timetrack-work-and-study-timer/id6761272437) All apps by Gunawan Santoso: https://appshunter.io/developer/1843786072 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*